Which Quality of Service (QoS) mechanism buffers excess packets to smooth out traffic bursts and regulate the flow of outbound traffic on an interface?
Classification and marking
Traffic policing
Traffic shaping
Congestion management
Traffic shaping is the QoS mechanism that buffers excess packets to smooth out traffic bursts, effectively regulating the flow of outbound traffic. It delays packets that exceed the configured rate, storing them in a buffer and sending them later to prevent congestion. Traffic policing, in contrast, drops or re-marks packets that exceed the defined rate but does not buffer them. Classification and marking identify and label packets but do not regulate flow, while congestion management handles packet prioritization during congestion but doesn't buffer excess traffic.
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